JP3843011B2 - Embedded ceiling air conditioner - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a ceiling-embedded air conditioner including a suction grill that moves up and down.
[0002]
[Prior art]
Generally, a decorative panel is provided at the lower end of the main body embedded in the ceiling, a suction grille is provided at the suction port of the decorative panel, and the four corners of the suction grille are supported by hanging straps so as to be lowered. A built-in air conditioner is known. In this type, after the suction grill is lowered to a predetermined position, the pre-filter attached to the grill surface of the suction grill is removed for maintenance.
[0003]
[Problems to be solved by the invention]
However, in the conventional configuration described above, only the pre-filter is attached to the grill surface of the suction grill, and the air purification filter is attached to the main body side embedded in the ceiling. In the case where the grill is configured to be movable up and down, the pre-filter can be easily cleaned, but the air-cleaning filter cannot be easily cleaned.
[0004]
SUMMARY OF THE INVENTION An object of the present invention is to provide a ceiling-embedded air conditioner that can easily clean a plurality of filters.
[0005]
[Means for Solving the Problems]
According to the first aspect of the present invention, in the ceiling-embedded air conditioner having a decorative panel at the lower end of the main body embedded in the ceiling and having a suction grill at the suction port of the decorative panel, the suction grill is replaced with a filter. The suction grill is tilted from the horizontal state at the filter replacement position by lowering it to the position, and the mounting cantilever is supported on the suction grill so as to form a gap with the grill surface. A pre-filter is attached so that it can be pulled out downward obliquely when the suction grille is tilted at the filter replacement position, and a support part is formed integrally with the attachment, and the pre-filter has a purification capacity on the support part. pull different air cleaning filter, wherein the suction grille to the drawing direction of the pre-filter in the opposite direction is obliquely upward when inclined in the filter exchange position Characterized in that mounted for to.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0011]
FIG. 1 is a diagram illustrating an air conditioner 100 according to the present embodiment. As shown in FIG. 1, the air conditioner 100 is installed on a ceiling in a living space, particularly at a position near a wall. The main body 1 is embedded in the ceiling.
[0012]
As shown in FIGS. 2 and 3, a heat exchanger 2, a blower 3, and the like are accommodated in the main body 1. A decorative panel 7 is fixed to the lower end of the main body 1. The decorative panel 7 has a lifting grill 8.
[0013]
The decorative panel 7 has an air outlet 5 and a suction opening 6, and the air outlet 5 is provided on one end side of the decorative panel 7 near the wide area of the living space. Air is discharged from the outlet 5 to the wide area side of the living space (the central part side of the conditioned room).
[0014]
Further, a suction port 6 is provided at a position near the wall on the other end side of the decorative panel 7, and air is sucked from the suction port 6.
[0015]
An elevating grill 8 is disposed at the suction port 6. The elevating grill 8 has a suction grill 10 and a drive system 20 for raising and lowering the suction grill 10, and this drive system 20 is a drive mechanism 21 for feeding / winding up four suspension strings 12-15. It is comprised.
[0016]
A filter 11 for cleaning the intake air is detachably installed at the opening of the suction grill 10. As shown in FIG. 1, the suction grill 10 and the filter 11 are suspended on the decorative panel 7 through four suspension strings 12 to 15 so as to be movable up and down. One end 12A-15A of each of the four hanging strings 12-15 is fixed to the four corners 10A, 10B, 10C, 10D of the suction grill 10. Further, the other ends 12B to 15B of the hanging strings 12 to 15 are connected to the drive mechanism 21 as shown in FIGS.
[0017]
As shown in FIGS. 4 and 5, the drive mechanism 21 is provided on one side 7 </ b> A of the suction port 6 of the decorative panel 7.
[0018]
The drive mechanism 21 has a mechanical part 22, and the mechanical part 22 has winders 35A, 35B, 36A, and 36B as shown in FIG. Each of the winders 35A and 35B and the winders 36A and 36B are arranged so as to overlap each other, although illustration is omitted.
[0019]
The other end 12B of the hanging strap 12 is fixed to the winding device 35A arranged on the upper side of the one winding device 35A, 35B, and this hanging strap 12 is provided on one side 7A of the suction port 6. It hangs down below the decorative panel 7 through the formed hole 31 and is fixed to the corner 10 </ b> A of the suction grill 10.
[0020]
The other end 14B of the hanging strap 14 is fixed to the lower winder 35B. The hanging strap 14 passes through the roller 34 and passes through the passage S shown in FIG. 6 extends to the other side 7B of the suction port 6 along the side part of the suction port 6 and hangs down below the decorative panel 7 through a hole 32 formed on the other side 7B. It is fixed to.
[0021]
The other end 13B of the hanging strap 13 is fastened to the winding device 36A disposed on the other of the other winding devices 36A and 36B. The hanging strap 13 is provided on one side 7A of the suction port 6. It hangs down below the decorative panel 7 through the formed hole 31 and is fixed to the corner 10 </ b> D of the suction grill 10.
[0022]
The other end 15B of the suspension string 15 is fixed to the lower winder 36B, and the suspension string 15 passes through the roller 34 and passes through the passage S shown in FIG. 6 extends to the other side 7B of the suction port 6 along the side part of the suction port 6 and hangs down below the decorative panel 7 through a hole 32 formed on the other side 7B. It is fixed to.
[0023]
A drive motor is connected to the winders 35A and 35B and the winders 36A and 36B via gears (not shown), and the suspension straps 12 to 15 are fed / rewinded by driving the motor. Is done. For example, when the motor of the mechanical unit 22 is rotated forward, the four suspension strings 12 to 15 are fed out, and when the motor is rotated reversely, the four suspension strings 12 to 15 are wound up. Here, the winders 35A and 35B and the winders 36A and 36B may be driven by one drive motor or may be driven by separate drive motors.
[0024]
In the above configuration, the two suspension strings 12, 13 connected to the drive mechanism 21 hang down from the one side 7 </ b> A of the suction port 6, and the remaining two suspension strings 14, 15 are the side portions of the suction port 6. It extends to the other side 7 </ b> B of the suction port 6 through the passage L formed at, and hangs down from the other side 7 </ b> B of the suction port 6.
[0025]
As shown in FIG. 6, the passage L is formed between the suction grill 10 and the decorative panel 7 in the vicinity of the periphery of the suction port 6 of the decorative panel 7 when the suction grill 10 is accommodated in the decorative panel 7. Space S.
[0026]
In the present embodiment, as shown in FIG. 7, a filter 11 is attached to the grill surface 10 </ b> E of the suction grill 10. The filter 11 is attached to the pre-filter (first filter) 40 attached to the grill surface 10E of the suction grill 10 and the pre-filter 40 on the grill surface 10E of the suction grill 10 via the attachment 43. And an air purifying filter (second filter) 45 having a purifying capacity different from that of the prefilter 40.
[0027]
As shown in FIG. 4, the attachment 43 is provided at a substantially central portion in the width direction of the suction grill 10 and on both sides thereof, and as shown in FIG. 7, one end 43 </ b> A has a grill surface 10 </ b> E of the suction grill 10. In other words, it is supported by a cantilever.
[0028]
The other end 43B of the mounting tool 43 floats from the grill surface 10E, and a gap (open portion) δ is formed between the other end 43B and the grill surface 10E. This gap δ is a gap for pulling out the prefilter 40 in the direction of arrow A, and is formed slightly larger than the thickness t of the prefilter 40.
[0029]
Further, as shown in FIG. 4, a support portion 43 </ b> C of the air purification filter 45 is integrally formed on the attachment 43, and the heavy air purification filter 45 is attached on the support portion 43 </ b> C.
[0030]
The air purifying filter 45 is pulled out in the direction of arrow B opposite to the direction of arrow A when being removed.
[0031]
In the present embodiment, after the suction grill 10 is lowered to a predetermined position, the air cleaning filter 45 alone, the prefilter 40 alone, or both filters can be easily removed, cleaned, and attached. That is, in the case of only the air purifying filter 45, it may be pulled out in the direction of arrow B, and in the case of only the prefilter 40, it may be pulled out in the direction of arrow A.
[0032]
Next, the operation of the lifting grill 8 will be described.
[0033]
As shown in FIGS. 4 and 5, a control device 41 is installed at a position facing the mechanical unit 22 across the suction port 6. The control device 41 controls the motor of the mechanical unit 22. The control device 41 is wirelessly communicated with the remote controller 30 shown in FIGS. 2 and 3, and the operator A selects the grill raising / lowering operation with the remote controller 30. The grill raising / lowering operation includes an ascending operation and a descending operation of the suction grill 10 and is used during maintenance work such as cleaning and replacement of the filter 11.
[0034]
At the time of this maintenance work, first, the descent operation of the grill raising / lowering operation is selected. When the descent operation is selected, the motor of the machine unit 22 is started, the suspension cords 12 and 13 are fed out from the winders 35 and 36 of the machine unit 22, and the suction grill 10 is lowered from the ceiling. Further, the feeding amounts of the suspension strings 12, 13 are kept the same, and the suction grille 10 is lowered while maintaining the horizontal state.
[0035]
As shown in FIG. 3, when the suction grill 10 is lowered to the filter replacement position X, the power of the motor of the mechanical unit 22 is transmitted only to the winder 35, and only the suspension string 12 is transferred from the winder 35. The suction grill 10 is tilted from the horizontal state to the central portion side (air discharge side) of the conditioned room.
[0036]
When the suction grill 10 is tilted to the tilt angle a, the motor of the mechanical unit 22 is stopped and the descent operation is stopped.
[0037]
Here, the filter replacement position X is desirably a low position where the worker A can perform maintenance work. This filter replacement position X is represented by the feed amount of the two suspension strings 13 and 15 fed from the winders 36A and 36B. In addition, the inclination angle a is an angle at which the surface of the filter 11 can be confirmed in the field of view of the operator A located on the wide area side (center side of the conditioned room) of the living space at the filter replacement position X. Is desirable.
[0038]
Next, at the filter replacement position X, the operator A removes the filter 11 composed of the air purifying filter 45 and the prefilter 40 from the suction grill 10 and cleans and replaces it. Thereafter, the filter 11 is attached to the suction grille 10, and the operator A selects the ascending operation of the grill raising / lowering operation.
[0039]
When the ascending operation is selected, the motor of the machine unit 22 is started, the power of the motor of the machine unit 22 is transmitted only to the winder 35, and only the suspension cord 12 is wound onto the winder 35. The one end side of the suction grille 10 inclined toward the center side (air discharge side) of the conditioned room is raised while returning to the horizontal state.
[0040]
Next, when the suction grill 10 is returned to the horizontal state, the winders 35A and 35B and the winders 35A and 35B are rotated at the same time, so that the four suspension strings 12 to 15 are wound up at the same time. 10 is raised in a horizontal state. The suction grill 10 is inserted into the decorative panel 7 in a horizontal state. When the suction grill 10 is inserted into the decorative panel 7, the motor of the mechanical unit 22 is stopped and the ascending operation is stopped.
[0041]
As mentioned above, although this invention was demonstrated based on the said embodiment, this invention is not limited to this.
[0042]
【The invention's effect】
In the present invention, if the suction grill is removed, the first and second filters are attached thereto. Therefore, they can be easily removed, cleaned, and easily attached.
[Brief description of the drawings]
FIG. 1 is a diagram showing an embodiment of a ceiling-embedded air conditioner according to the present invention.
FIG. 2 is a longitudinal sectional view of the ceiling-embedded air conditioner shown in FIG.
3 is a diagram showing a positional relationship between a suction grille and an operator during filter cleaning and replacement work in the ceiling-embedded air conditioner shown in FIG. 1. FIG.
4 is a longitudinal sectional view of an outer frame of the ceiling-embedded air conditioner shown in FIG. 1. FIG.
FIG. 5 is a plan view of the outer frame of the ceiling-embedded air conditioner shown in FIG. 1 as viewed from the ceiling.
6 is a cross-sectional view of the outer frame of the ceiling-embedded air conditioner shown in FIG. 1 in the short direction.
FIG. 7 is a diagram showing a filter mounting structure.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Main body 5 Outlet 4 Outer frame 6 Suction port 8 Lifting grill 10 Suction grill 10E Grill surface 11 Filter 12 Hanging string 13 Hanging string 40 Prefilter (1st filter)
43 Attachment 45 Air purifying filter (second filter)
100 ceiling-embedded air conditioner L passage S space X predetermined position

Claims (1)

In the ceiling-embedded air conditioner equipped with a decorative panel at the lower end of the main body embedded in the ceiling and equipped with a suction grill at the suction port of the decorative panel,
A drive mechanism for lowering the suction grill to the filter replacement position and tilting the suction grill from a horizontal state at the filter replacement position;
A mounting tool is cantilevered on the suction grill so as to form a gap with the grill surface, and the prefilter is attached to the gap so that it can be pulled out obliquely downward when the suction grill is tilted at the filter replacement position. In addition, a support portion is formed integrally with the fixture, and an air purifying filter having a purification capacity different from that of the prefilter is provided on the support portion, and the suction grille is in a direction opposite to the pulling direction of the prefilter. A ceiling-embedded air conditioning apparatus, wherein the air conditioner is mounted so that it can be pulled out obliquely upward when tilted at a filter replacement position .

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